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both, for example eye colors are caused by our gene( small prtion of DNA with control prticular characterstics.

but some things such as our wight is cUSD BY enviormental factors. because the amount of for we eat effects our weight. and somethings such as height are effected by both lets say your parents are both tall so you and ur brother are most likely to be tall but you brother dosent drink his milk and doesn't eat his vegitabels so he doesn't grow as much as u do in which eat ur vegis and drink lots of milk.

hope i helped :)

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13y ago

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Why is low genetic variation a problem?

Low Genetic variationis the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.


What are the two main factors that cause individuals of the same species to appear different?

Genetic variation and environmental factors are the two main factors that cause individuals of the same species to appear different. Genetic variation results from differences in DNA sequences passed down through generations, while environmental factors such as diet, climate, and exposure to sunlight can also influence physical appearance.


Is a source of genetic variation that refers to a random error in the genetic code?

A genetic mutation is a source of genetic variation that refers to a random error in the genetic code. Mutations can occur spontaneously during DNA replication, as a result of environmental factors, or due to mistakes in cellular processes. These mutations can lead to changes in the DNA sequence, potentially resulting in genetic variation within a population.


When does genetic variation occur?

Genetic variation occurs during the processes of meiosis and sexual reproduction when genetic material is shuffled and recombined, leading to unique combinations of genes in offspring. Mutations and genetic recombination also contribute to genetic variation by introducing new alleles and gene combinations into populations.


How much variation exists in nature?

There is a vast amount of variation in nature, as organisms are subject to genetic mutations, environmental influences, and natural selection. This variation allows species to adapt to different habitats and ecological niches, promoting biodiversity and resilience in ecosystems.

Related Questions

Do you no two examples of Inherited variation?

genetic and environmental variation


What are the three types of variation?

The three types of variation are genetic variation, environmental variation, and genotype-environment interaction. Genetic variation refers to differences in DNA sequences among individuals, while environmental variation is differences in traits caused by external factors. Genotype-environment interaction occurs when the effect of genes on traits depends on the environment.


How genetic variation and environmental factors affect evolution by natural selection?

de


How do genetic variation and environmental factors influence evolution?

Genetic variation drives evolution by providing the raw material for natural selection to act upon, allowing organisms to adapt to changing environments. Environmental factors can influence which traits are favored, shaping the direction of evolution. Together, genetic variation and environmental factors contribute to the diversity of life on Earth through the process of evolution.


How does variation within a species bring about evolutionary change need specific example that also mentions genetic variation and environmental conditions?

yes


If a certain species has little genetic variation what could lead to its rapid extinction?

A lack of genetic variation can make a species less able to adapt to changing environmental conditions or new threats like diseases or predators. This reduced ability to adapt increases the species' vulnerability to extinction if they cannot effectively respond to these challenges.


Why is low genetic variation a problem?

Low Genetic variationis the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.


Which environmental factor would likely lead to an increase in genetic variation in population of squirrels?

fukk e2020


What is One consequence of genetic drift is?

Loss of genetic variation(:Novanet:)


What are the two main factors that cause individuals of the same species to appear different?

Genetic variation and environmental factors are the two main factors that cause individuals of the same species to appear different. Genetic variation results from differences in DNA sequences passed down through generations, while environmental factors such as diet, climate, and exposure to sunlight can also influence physical appearance.


Is a source of genetic variation that refers to a random error in the genetic code?

A genetic mutation is a source of genetic variation that refers to a random error in the genetic code. Mutations can occur spontaneously during DNA replication, as a result of environmental factors, or due to mistakes in cellular processes. These mutations can lead to changes in the DNA sequence, potentially resulting in genetic variation within a population.


What is heritability coefficient?

total variation in the phenotye (IQ, introvert) that can attribute to genetic rather thatn environmental variation in the population, it is ALWAYS about groups NEVER about specific individual like Me or YOU :-)